CN101279900A - Method for producing aldehyde from alkene and synthesis gas - Google Patents
Method for producing aldehyde from alkene and synthesis gas Download PDFInfo
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- CN101279900A CN101279900A CNA2008100896343A CN200810089634A CN101279900A CN 101279900 A CN101279900 A CN 101279900A CN A2008100896343 A CNA2008100896343 A CN A2008100896343A CN 200810089634 A CN200810089634 A CN 200810089634A CN 101279900 A CN101279900 A CN 101279900A
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- alkene
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- aldehyde
- cobalt
- catalyst
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- 150000001336 alkenes Chemical class 0.000 title claims abstract description 54
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 title claims abstract 16
- 238000003786 synthesis reaction Methods 0.000 title claims description 6
- 230000015572 biosynthetic process Effects 0.000 title claims description 5
- 238000004519 manufacturing process Methods 0.000 title description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 70
- 238000000034 method Methods 0.000 claims abstract description 60
- 230000008569 process Effects 0.000 claims abstract description 16
- HZEIHKAVLOJHDG-UHFFFAOYSA-N boranylidynecobalt Chemical compound [Co]#B HZEIHKAVLOJHDG-UHFFFAOYSA-N 0.000 claims abstract description 7
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 45
- 239000003054 catalyst Substances 0.000 claims description 36
- 239000007789 gas Substances 0.000 claims description 33
- 239000002904 solvent Substances 0.000 claims description 29
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 23
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 23
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 22
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims description 22
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 15
- JRZJOMJEPLMPRA-UHFFFAOYSA-N 1-nonene Chemical compound CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 14
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 11
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 9
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 7
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N 1-Heptene Chemical compound CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 claims description 6
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 230000001476 alcoholic effect Effects 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004210 ether based solvent Substances 0.000 claims description 3
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 claims description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 2
- 239000012279 sodium borohydride Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 241000196324 Embryophyta Species 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 241000220317 Rosa Species 0.000 claims 1
- 125000002029 aromatic hydrocarbon group Chemical group 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229910017053 inorganic salt Inorganic materials 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 238000009776 industrial production Methods 0.000 abstract description 2
- 239000012190 activator Substances 0.000 abstract 2
- 239000008246 gaseous mixture Substances 0.000 abstract 1
- 150000001299 aldehydes Chemical class 0.000 description 30
- 238000007037 hydroformylation reaction Methods 0.000 description 16
- 239000000047 product Substances 0.000 description 15
- 229910052703 rhodium Inorganic materials 0.000 description 11
- 239000010948 rhodium Substances 0.000 description 11
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- JHUUPUMBZGWODW-UHFFFAOYSA-N 3,6-dihydro-1,2-dioxine Chemical compound C1OOCC=C1 JHUUPUMBZGWODW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DUDHRYJQHQPTER-UHFFFAOYSA-N N=NC=NN.N=NC=NN.C(COCCO)O Chemical compound N=NC=NN.N=NC=NN.C(COCCO)O DUDHRYJQHQPTER-UHFFFAOYSA-N 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 150000001869 cobalt compounds Chemical class 0.000 description 1
- IUZCCOPYZPLYBX-UHFFFAOYSA-N cobalt;phosphane Chemical compound P.[Co] IUZCCOPYZPLYBX-UHFFFAOYSA-N 0.000 description 1
- -1 compound modified rhodium Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- GYHFUZHODSMOHU-UHFFFAOYSA-N nonanal Chemical compound CCCCCCCCC=O GYHFUZHODSMOHU-UHFFFAOYSA-N 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- WJIBZZVTNMAURL-UHFFFAOYSA-N phosphane;rhodium Chemical compound P.[Rh] WJIBZZVTNMAURL-UHFFFAOYSA-N 0.000 description 1
- 150000008301 phosphite esters Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003284 rhodium compounds Chemical class 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- FIQMHBFVRAXMOP-UHFFFAOYSA-N triphenylphosphane oxide Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=O)C1=CC=CC=C1 FIQMHBFVRAXMOP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
The invention relates to a method to synthesize gaseous aldehyde from alkene with the existence of activator cobalt-boron, pertaining to fine petrochemical field. The method is characterized in that the method takes cobalt-boron as activator, and gaseous mixture of CO and H2, with the ratio of CO to H2 being 1:1, to prepare gaseous aldehyde from alkene under the temperature of 100-180 DEG C and the pressure of 3-10MPa. The method of the invention to prepare gaseous aldehyde from alkene is simple in process, low in cost, with mild reaction condition and high yield; therefore the method is applicable in industrial production.
Description
Technical field
The present invention relates in the presence of cobalt-B catalyst the method that contains the aldehyde of 7 to 11 carbon atoms from the alkene that contains 6 to 10 carbon atoms and synthetic gas manufacturing, belong to the Speciality Petrochemicals field.
Background technology
Alkene and synthetic gas (mixed air of carbon monoxide and hydrogen) prepared in reaction aldehyde (hydroformylation) is the significant process of industrial manufacturing aldehyde/alcohol.Aldehyde is important organic chemicals, can be used as the intermediate of organic synthesis.Aldehyde can be used as solvent, wetting agent, tensio-active agent and as the raw material of softening agent after being hydroconverted into alcohol.
On industrial production, aldehyde can make through the hydroformylation process from alkene and synthetic gas.Since fritz rowland at the end of the thirties (O.Roelen) has been invented hydroformylation catalyst, hydroformylation catalyst and reaction process thereof a large amount of R and D have been carried out both at home and abroad.Industrial olefin hydroformylation process mainly uses oil-soluble rhodium compound or cobalt compound as catalyzer; or use the compound modified rhodium base catalyst or the cobalt-base catalyst that contain phosphine to carry out in the mode of homogenous process; modification cobalt method (cobalt phosphine catalyst as shell (Shell) company; US Pat.3239566); connection carbon (UCC) company and Mitsubishi change into rhodium-tertiary phosphine method (the US Pat.3527809 of company; US Pat.4247486, US Pat.5105018) or the like.
Rhodium catalyst has active high, advantages such as selectivity is good, reaction conditions gentleness.Rhodium base catalyst is in the industrial light alkene hydroformylation of (containing 5 alkene below the carbon atom) that is mainly used in.High-carbon aldehyde from using hydroformylation of higher olefins makes will carry out fractionation by distillation under higher temperature, and rhodium catalyst easy decomposes under comparatively high temps.On the other hand, the ligand-modified cobalt-base catalyst of cobalt carbonyl catalyst or phosphine has low price, the higher characteristics of heat-resistant stability.For the production of making high-carbon aldehyde using hydroformylation of higher olefins (seven aldehyde that carbon atom is above), most commercial run still adopts cobalt-base catalyst.
For the alkene of high carbon number, the catalyst system that United States Patent (USP) is invented a kind of rhodium/triphenylphosphine oxide No. 4528403, and be applied to the hydroformylation process of mixed octene.Though this method is under 130 ℃, 200 normal atmosphere, 4 hours reaction conditions, the yield of the higher aldehyde C-9 mixture that can obtain, stablize rhodium catalyst but in carrying out the isolating still-process of catalyzer and product, will add triphenylphosphine in addition, and must after peroxidation, just can recycle with the rhodium catalyst that contains triphenylphosphine after product separates.In addition, rhodium metal costs an arm and a leg.It is many that this method still exists processing step, severe reaction conditions (200 normal atmosphere), problem such as unfavorable economically.
Industrial olefin hydroformylation process; reaction generates under the general situation product aldehyde and catalyzer are to be in the liquid phase of homogeneous, product and catalyzer separate and the recovery of catalyzer is adopted usually and is distilled or the method for underpressure distillation (as No. 4528403, United States Patent (USP)).But this method is inappropriate to being subjected to thermo-responsive labile catalyzer.In order to make product that hydroformylation of olefin generates and to become more effective and simple and easy separating of catalyzer, the water miscible rhodium metal organic coordination compound of industrial existing use (HRh (CO) [P (m-C
6H
4SO
4Na)
3]
3) carry out the process (as, U.S. Pat P4248802) of water/organic two-phase hydroformylation of propene producing butyladehyde as catalyzer.But the water miscible catalyzer of this use carries out the process of water/organic two phase reaction, produces high-carbon aldehyde and improper for the hydroformylation of higher olefins, because the solubleness of higher olefins in water is low, the efficiency ratio of reaction is lower.In fact, the hydroformylation of butylene just can't water/organic biphase mode realize suitability for industrialized production.
On the other hand, use solid catalyst to carry out the preparing aldehyde by hydroformylation of alkene, for reaction product and catalyzer separate and the catalyst recovery recycle is effective.Because catalyzer is solid state, just can reclaims catalyzer and separate with product by simple separation method.As the technology of having invented a kind of load type rhodium catalyst of producing organic aldehyde by olefin hydroformylation and preparation method thereof Chinese patent CN1422695 number; but this kind method need be flooded the loading type rhodium metal catalyzer of preparation again with the organophosphite ligand liquid solution; organophosphorus ligand is adsorbed on the loading type rhodium metal catalyzer, obtains loading type rhodium-phosphine catalyst.The catalyst preparation process complexity of this method, the wastage of reaction back organophosphorus ligand is also uncertain.
Summary of the invention
The purpose of this invention is to provide a kind of method industrial application value, make aldehyde as catalyzer, from alkene and synthetic gas with the unformed material of cobalt-boron that has.
The method from alkene and synthesis gas preparation aldehyde that the present invention proposes is characterized in that: described method adopts the unformed material of cobalt-boron as catalyzer (hereinafter to be referred as cobalt-B catalyst), with alkene and synthetic gas (CO and the H that contains 6 to 10 carbon atoms
2Gas mixture) be raw material, under the condition of gentleness, prepare aldehyde.
The preparation of pure state cobalt-B catalyst:
4.76 gram cobalt chloride (CoCl
26H
2O, Red Star chemical plant, Beijing product, chemical pure) be dissolved in 40 ml deionized water, obtain CoCl
2Solution is filling CoCl
2The flask of solution places ice-water bath to cool off and maintains 0 ℃.3.04 gram sodium borohydride (NaBH
4, Tianjin recovery company product, analytical pure) and 4.00 restrain sodium hydroxide (NaOH, Beijing reagent company product, analytical pure) and be dissolved in 40 ml deionized water, NaBH obtained
4-NaOH solution.Under agitation NaBH
4-NaOH solution splashes into CoCl
2(fill CoCl in the solution
2The flask of solution places ice-water bath), drip and finish back continuation stirring 30min.The black precipitate that obtains after the filtration confirms that with 200 ml deionized water repetitive scrubbings 4 to 5 times last washings is neutral, uses 100 milliliters of washing with alcohol 3 times again, and the black precipitate that obtains after the filtration is stored in the ethanol standby.
Above-mentioned black precipitate is defined as unformed material through X-ray diffraction (XRD) analysis, and it consists of Co through the ICP-Mass analysis confirmation
12B
7
From the steps in sequence of alkene and synthesis gas preparation aldehyde be:
(1) in autoclave, adds a certain amount of cobalt-B catalyst, alkene and solvent;
(2) reactor is airtight is placed in the process furnace, with synthetic gas (CO/H
2=1/1) behind the air in the replacement reaction kettle, reactor is heated to temperature of reaction;
(3) under given temperature of reaction, charge into synthetic gas (CO/H to reactor
2=1/1) to reaction pressure;
(4) after reaction finishes, reactor is taken out from process furnace, be cooled to room temperature after, reacting kettle inner pressure is let out to normal pressure, open kettle cover, take out the reaction solution that contains product aldehyde, reaction solution is carried out underpressure distillation, obtain product aldehyde.
In the above-mentioned method for preparing aldehyde, described cobalt-B catalyst is the unformed material of cobalt-boron.
In the above-mentioned method for preparing aldehyde, described alkene is the alkene that contains 6 to 10 carbon atoms, as 1-hexene, 1-heptene, 1-octene, 1-nonene and 1-certain herbaceous plants with big flowers alkene etc.
In the above-mentioned method for preparing aldehyde, described solvent is alkane solvents such as aromatic hydrocarbon solvents such as alcoholic solvents such as ether solvents such as ether, propyl ether, butyl ether, methyl alcohol, ethanol, toluene or hexanaphthene.
In the above-mentioned method for preparing aldehyde, described synthetic gas is carbon monoxide (CO) and hydrogen (H
2) gas mixture, CO/H
2Ratio be CO/H
2=1/1.
In the above-mentioned method for preparing aldehyde, the weight ratio of cobalt-B catalyst and alkene is 0.001～0.1 in the described step (1); The ratio of described step (1) alkene and solvent is alkene/solvent (volume ratio)=0.1～5.
In the above-mentioned method for preparing aldehyde, described step (2) temperature of reaction is generally 80～200 ℃, is preferably 100～180 ℃.
In the above-mentioned method for preparing aldehyde, the pressure of described step (3) synthetic gas is generally 1～12MPa, is preferably 2～10MPa.
In the above-mentioned method for preparing aldehyde, described step (3) is reflected in the autoclave carries out, and raw material olefin can continuously feeding, also can intermittently feed in raw material; When reacting with intermittent mode, the reaction times was generally 0.5～10 hour, was preferably 1～8 hour.
Method technology provided by the invention is simple, and cost is low, the reaction conditions gentleness, and product aldehyde yield height is suitable for suitability for industrialized production.
Embodiment
Below in conjunction with embodiment technical scheme of the present invention is described further.
Preparation process of the present invention is:
(1) in 100 milliliters of autoclaves, adds a certain amount of cobalt-B catalyst, alkene and solvent.
(2) reactor is airtight is placed in the process furnace, with synthetic gas (CO/H
2=1/1) behind the air in the replacement reaction kettle, reactor is heated to temperature of reaction (100～180 ℃).
(3) under given temperature of reaction (100～180 ℃), charge into synthetic gas (CO/H to reactor
2=1/1) to reaction pressure (2～10MPa).Under temperature of reaction and reaction pressure, under agitation reacted 1～8 hour.
(4) after reaction finishes, reactor is taken out from process furnace, be cooled to room temperature after, reacting kettle inner pressure is let out to normal pressure.Open kettle cover, take out the reaction solution that contains product aldehyde.Reaction solution is carried out underpressure distillation, obtain product aldehyde.
Cobalt-B catalyst that the present invention uses is the unformed material of cobalt-boron.
The alkene that the present invention uses is the alkene that contains 6 to 10 carbon atoms, as 1-hexene, 1-heptene, 1-octene, 1-nonene and 1-certain herbaceous plants with big flowers alkene etc.
The solvent that the present invention uses can be alkane solvents such as aromatic hydrocarbon solvents such as alcoholic solvents such as ether solvents such as ether, propyl ether, butyl ether, methyl alcohol, ethanol, toluene, hexanaphthene.
The synthetic gas that the present invention uses is carbon monoxide (CO) and hydrogen (H
2) gas mixture, CO/H
2Ratio be CO/H
2=1/1.
By the above-mentioned reaction that method of the present invention is carried out, the weight ratio of cobalt-B catalyst and alkene is 0.001～0.1.
By the above-mentioned reaction that method of the present invention is carried out, the ratio of alkene and solvent is alkene/solvent (volume ratio)=0.1～5.
Carry out above-mentioned reaction by method of the present invention, under heating, carry out.Temperature of reaction is generally 80～200 ℃.Be higher than ceiling temperature, catalyzer easily loses activity, and is lower than lower limit temperature, and then speed of response is too slow.Be preferably 100～180 ℃
Carry out above-mentioned reaction by the inventive method, carry out adding to depress.The pressure of synthetic gas is generally 1～12MPa, is preferably 2～10MPa.
By the above-mentioned reaction that the inventive method is carried out, in autoclave, carry out, raw material olefin can continuously feeding, and also intermittently (disposable) is reinforced.When reacting with intermittent mode, the reaction times was generally 0.5～10 hour, was preferably 1～8 hour.
Be embodiments of the invention below.
Embodiment 1
At internal volume is in the stainless steel autoclave of 100ml, adds according to the prepared cobalt of above-mentioned method for preparing catalyst-B catalyst 0.24g, 1-octene 5.0ml (3.57g) and n-butyl ether (solvent) 15ml.Behind the closed reactor, reactor is placed ice-water bath, charge into synthetic gas (CO/H to reactor
2=1/1) to 3MPa, pressure release is to normal pressure again, and three times with the air in the replacement reaction kettle so repeatedly.Reactor is placed process furnace, and reacting by heating still to 120 ℃ under normal pressure fills synthetic gas (CO/H again in reactor
2=1/1) to 5MPa, 120 ℃, stir under reaction 2.5 hours.Reaction is cooled to reactor room temperature and the still internal pressure is reduced to normal pressure after finishing, and reaction solution is taken out carry out underpressure distillation again, obtains product aldehyde.Unreacted raw material and reaction product are through gas chromatographic analysis.The results are shown in table 1.
Embodiment 2
Except that temperature of reaction is 160 ℃, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 3
Except that temperature of reaction is 200 ℃, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 4
Except that temperature of reaction is 100 ℃, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 5
Except that synthetic gas pressure was 3MPa, other was operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 6
Except that synthetic gas pressure was 8MPa, other was operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 7
Except that temperature of reaction is that 160 ℃, synthetic gas pressure are the 8MPa, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 8
Except that the reaction times is 1 hour, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 9
Except that the reaction times is 4 hours, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 10
Except that the consumption of cobalt-B catalyst is the 0.16g, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 11
Except that the consumption of cobalt-B catalyst is the 0.08g, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 12
Do the solvent except that the isopropyl ether that uses 15ml replaces the n-butyl ether among the embodiment 2, other is operated with embodiment 2.Reaction result is listed in table 1.
Embodiment 13
Do the solvent except that the Diethylene Glycol diformazan that uses 15ml replaces the n-butyl ether among the embodiment 1, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 14
Remove and use 1 of 15ml, 4-dioxane to replace the n-butyl ether among the embodiment 1 to do outside the solvent, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 15
Do the solvent except that the toluene that uses 15ml replaces the n-butyl ether among the embodiment 1, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 16
Do the solvent except that the hexanaphthene that uses 15ml replaces the n-butyl ether among the embodiment 1, other is operated with embodiment 1.Reaction result is listed in table 1.
Embodiment 17
Do the raw material except that the 1-certain herbaceous plants with big flowers alkene that uses 5ml replaces the 1-octene among the embodiment 1, other is operated with embodiment 1.Reaction result is listed in table 1.
Comparative example 1
The preparation of cobalt metal powder catalyzer (not boracic): take by weighing 5g Co (Ac)
24H
2O is positioned in the crucible, in retort furnace in air atmosphere in 500 ℃ of following roastings 3 hours, be cooled to room temperature after, sample transfer in silica tube at mobile H
2(30ml/min) reduces down in 500 ℃ and handled 3 hours under the atmosphere, at H
2Purged 12 hours with nitrogen (30ml/min) after being cooled to room temperature in the atmosphere, obtain cobalt metal powder catalyzer.
Cobalt-B catalyst in using above-mentioned cobalt metal powder catalyzer 0.22g replacement embodiment 1, other is operated with embodiment 1.Reaction result is listed in table 1.
Table 1
| The reaction example | Cobalt-B catalyst consumption (g) | Alkene and consumption (g) | Solvent and consumption (ml) | Temperature of reaction (℃) | Synthetic gas pressure (MPa) | Reaction times (hour) | Olefin conversion (%) | Aldehyde yield (%) |
| Embodiment 1 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 2.5 | 71.1 | 70.1 |
| Embodiment 2 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 160 | 5.0 | 2.5 | 52.4 | 52.2 |
| Embodiment 3 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 200 | 5.0 | 2.5 | 5.2 | 4.1 |
| Embodiment 4 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 100 | 5.0 | 2.5 | 63.3 | 62.0 |
| Embodiment 5 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 3.0 | 2.5 | 28.2 | 28.1 |
| Embodiment 6 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 8.0 | 2.5 | 89.9 | 87.8 |
| Embodiment 7 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 160 | 8.0 | 2.5 | 94.5 | 84.8 |
| Embodiment 8 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 1.0 | 30.3 | 29.8 |
| Embodiment 9 | 0.24g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 4.0 | 82.6 | 81.9 |
| Embodiment 10 | 0.16g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 2.5 | 47.5 | 46.4 |
| Embodiment 11 | 0.08g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 2.5 | 37.6 | 37.2 |
| Embodiment 12 | 0.24g | 1-octene 3.57g | Isopropyl ether 15ml | 160 | 5.0 | 2.5 | 48.3 | 47.1 |
| Embodiment 13 | 0.24g | 1-octene 3.57g | Diethylene glycol dimethyl ether 15ml | 120 | 5.0 | 2.5 | 68.6 | 66.0 |
| Embodiment 14 | 0.24g | 1-octene 3.57g | 1,4-dioxane 15ml | 120 | 5.0 | 2.5 | 75.1 | 74.5 |
| Embodiment 15 | 0.24g | 1-octene 3.57g | Toluene 15ml | 120 | 5.0 | 2.5 | 71.7 | 64.6 |
| Embodiment 16 | 0.24g | 1-octene 3.57g | Hexanaphthene 15ml | 120 | 5.0 | 2.5 | 42.9 | 40.7 |
| Embodiment 17 | 0.24 | 1-certain herbaceous plants with big flowers alkene 3.71g | N-butyl ether 15ml | 120 | 5.0 | 2.5 | 50.2 | 49.0 |
| Comparative example 1 | Cobalt metal powder 0.22g | 1-octene 3.57g | N-butyl ether 15ml | 120 | 5.0 | 2.5 | 8.8 | 8.6 |
Claims (9)
1, from the method for alkene and synthesis gas preparation aldehyde, it is characterized in that: described method adopts cobalt-B catalyst, and under the condition of gentleness, from alkene and synthesis gas preparation aldehyde, its preparation process is followed successively by:
(1) in autoclave, adds a certain amount of cobalt-B catalyst, alkene and solvent;
(2) reactor is airtight is placed in the process furnace, with synthetic gas (CO/H
2=1/1) behind the air in the replacement reaction kettle, reactor is heated to temperature of reaction;
(3) under given temperature of reaction, charge into synthetic gas (CO/H to reactor
2=1/1) to reaction pressure;
(4) after reaction finishes, reactor is taken out from process furnace, be cooled to room temperature after, reacting kettle inner pressure is let out to normal pressure, open kettle cover, take out the reaction solution that contains product aldehyde, reaction solution is carried out underpressure distillation, obtain product aldehyde.
2, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described cobalt-B catalyst is inorganic salt (as cobalt chloride, Xiao Suangu and the rose vitriol etc.) sodium borohydride (NaBH of cobalt
4) or POTASSIUM BOROHYDRIDE (KBH
4) the unformed cobalt-boron compound of the solid state that obtains after the reduction.
3, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described alkene is the alkene that contains 6 to 10 carbon atoms, as 1-hexene, 1-heptene, 1-octene, 1-nonene and 1-certain herbaceous plants with big flowers alkene etc.
4, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described solvent is aromatic hydrocarbon solvents such as alkane solvents such as alcoholic solvents such as ether solvents such as ether, propyl ether, butyl ether, methyl alcohol, ethanol, hexanaphthene, toluene.
5, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described synthetic gas is carbon monoxide (CO) and hydrogen (H
2) gas mixture, CO/H
2Ratio be CO/H
2=1/1.
6, according to the described method for preparing aldehyde of claim 1, it is characterized in that: the weight ratio of described step (1) cobalt-B catalyst and alkene is 0.001～0.1; The ratio of described step (1) alkene and solvent is alkene/solvent (volume ratio)=0.1～5.
7, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described step (2) temperature of reaction is generally 80～200 ℃, is preferably 100～180 ℃.
8, according to the described method for preparing aldehyde of claim 1, it is characterized in that: the pressure of described step (3) synthetic gas is generally 1～12MPa, is preferably 2～10MPa.
9, according to the described method for preparing aldehyde of claim 1, it is characterized in that: described step (3) is reflected in the autoclave carries out, and raw material olefin can continuously feeding, also can intermittently feed in raw material; When reacting with intermittent mode, the reaction times was generally 0.5～10 hour, was preferably 1～8 hour.
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| CN2008100896343A CN101279900B (en) | 2007-07-10 | 2008-04-11 | Method for producing aldehyde from alkene and synthesis gas |
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